Figure 7From: Sustained release formulation of an anti-tuberculosis drug based on para-amino salicylic acid-zinc layered hydroxide nanocompositeControl Release Profiles I) Release profiles of a physical mixture of 4-amino salicylic acid with pristine zinc layered hydroxide, (II) Release profiles of 4-amino salicylic acid from the 4-ASA nanocomposite at pH 7.4 (A) and pH 4.8 (B). Inset shows the release profilesof 4-amino salicylic acid from the nanocomposite at pH 4.8.Back to article page